Антон Неверов

Math.round(1234.1); //1234
Math.round(1234.1/10) * 10; //1230
Math.round(1234.1/100) * 100; //1200

$('#filter-aply').on('click', () => {
	const jsMetr = $("#js-range__metr");
	const jsRange = $("#js-range__price");

	const etage = parseFloat($('.filter-item__buttons').children('.button.active').data('etg'));

	// Square
	const squareMin = parseFloat(jsMetr.data('from'));
	const squareMax = parseFloat(jsMetr.data('to'));

	// Price
	const priceMin = parseFloat(jsRange.data('from'));
	const priceMax = parseFloat(jsRange.data('to'));

	let dataCount = 0;

	$('.sale-item').each(function() {
		const etageLocal = parseFloat($(this).data('etage'));
		const price = parseFloat($(this).data('price'));
		const square = parseFloat($(this).data('square'));

		let eqPrice = false;
		let eqEtage = false;
		let eqSquare = false;

		if (price <= priceMax && price >= priceMin) eqPrice = true;
		if (etageLocal == etage) eqEtage = true;
		if (square <= squareMax && square >= squareMin) eqSquare = true


		if (!eqEtage || !eqPrice || !eqSquare) {
			$(this).removeClass('showed')
			$(this).removeAttr('data-count')
		}

		if(eqPrice && eqEtage && eqSquare){
			$(this).addClass('showed')
			dataCount++;
			$(this).attr('data-count', dataCount)
			$('.sale-item__eye').attr('data-position', dataCount)
			$('.sale-item[data-count="1"]').click()
		}
	});
});